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Product Specific Problems
Specific
Symptoms
Screen image is
too small
Cannot adjust
the monitor
with the buttons
on the front
panel
No Input Signal
when user
controls are
pressed
The picture
does not fill the
entire screen
No image
when using DP
connection to
the PC
No image
when using DP
connection to
the Secondary
monitor
What You
Experience
Image is
• Check the Aspect Ratio setting in the Display
centered on
screen, but does
• Reset the monitor to factory settings.
not fill entire
viewing area
OSD does not
• Turn off the monitor, unplug the monitor power
appear on the
screen
• Check whether the OSD menu is locked. If yes,
No picture,
• Check the signal source. Ensure the computer
the LED light is
white
• Check whether the signal cable is plugged in
• Reset the computer or video player.
The picture
• Due to different video formats (aspect ratio) of
cannot fill the
height or width
• Run the built-in diagnostics.
of the screen
Black screen
• Verify which DP standard (DP 1.1a or DP 1.2) is
• Some DP1.1a graphics card cannot support
1 Press OSD button to invoke the Input Source
Black screen
OSD menu
Possible Solutions
menu OSD.
cable, plug it back, and then turn on the monitor.
press and hold the button beside the power
button for 10 seconds to unlock (for more
information, see Lock).
is not in the power saving mode by moving the
mouse or pressing any key on the keyboard.
properly. Re-plug the signal cable if necessary.
DVDs, the monitor may display in full screen.
your Graphics Card certified to. Download and
install the latest graphics card driver.
DP 1.2 monitors. Change the monitor to
secondary mode under MST option.
Troubleshooting
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47
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